S1 E3: The Science of Monogamy / Our Mysterious Lifespan

0:49:20 | Episode
Why do humans live in monogamous couples, sharing parenting responsibilities? What does the difference in size between men and women have to do with marital infidelity? Why do females of our species stop having children in midlife and continue living so long? Jared Diamond explores the human lifecycle, looking to evolution for clues to how we became what we are.


Watch on the Free PBS App